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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> * contributor license agreements.  See the NOTICE file distributed with</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> * the License.  You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *     <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> * limitations under the License.</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="17" href="#17">17</a>  <strong class="jxr_keyword">package</strong> org.apache.commons.configuration.interpol;
<a class="jxr_linenumber" name="18" href="#18">18</a>  
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertTrue;
<a class="jxr_linenumber" name="20" href="#20">20</a>  
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> java.io.File;
<a class="jxr_linenumber" name="22" href="#22">22</a>  
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.configuration.ConfigurationAssert;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.configuration.XMLConfiguration;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log;
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.logging.impl.Log4JLogger;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.ConsoleAppender;
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.Level;
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.Logger;
<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.SimpleLayout;
<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> org.junit.Test;
<a class="jxr_linenumber" name="33" href="#33">33</a>  
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> * Test class for ExprLookup.</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> * @version $Id: TestExprLookup.java 1225659 2011-12-29 21:12:54Z oheger $</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/commons/configuration/interpol/TestExprLookup.html">TestExprLookup</a>
<a class="jxr_linenumber" name="40" href="#40">40</a>  {
<a class="jxr_linenumber" name="41" href="#41">41</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> File TEST_FILE = ConfigurationAssert.getTestFile(<span class="jxr_string">"test.xml"</span>);
<a class="jxr_linenumber" name="42" href="#42">42</a>  
<a class="jxr_linenumber" name="43" href="#43">43</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String PATTERN1 =
<a class="jxr_linenumber" name="44" href="#44">44</a>          <span class="jxr_string">"String.replace(Util.message, 'Hello', 'Goodbye') + System.getProperty('user.name')"</span>;
<a class="jxr_linenumber" name="45" href="#45">45</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String PATTERN2 =
<a class="jxr_linenumber" name="46" href="#46">46</a>          <span class="jxr_string">"'$[element] ' + String.trimToEmpty('$[space.description]')"</span>;
<a class="jxr_linenumber" name="47" href="#47">47</a>  
<a class="jxr_linenumber" name="48" href="#48">48</a>      @Test
<a class="jxr_linenumber" name="49" href="#49">49</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testLookup() <strong class="jxr_keyword">throws</strong> Exception
<a class="jxr_linenumber" name="50" href="#50">50</a>      {
<a class="jxr_linenumber" name="51" href="#51">51</a>          ConsoleAppender app = <strong class="jxr_keyword">new</strong> ConsoleAppender(<strong class="jxr_keyword">new</strong> SimpleLayout());
<a class="jxr_linenumber" name="52" href="#52">52</a>          Log log = LogFactory.getLog(<span class="jxr_string">"TestLogger"</span>);
<a class="jxr_linenumber" name="53" href="#53">53</a>          Logger logger = ((Log4JLogger)log).getLogger();
<a class="jxr_linenumber" name="54" href="#54">54</a>          logger.addAppender(app);
<a class="jxr_linenumber" name="55" href="#55">55</a>          logger.setLevel(Level.DEBUG);
<a class="jxr_linenumber" name="56" href="#56">56</a>          logger.setAdditivity(false);
<a class="jxr_linenumber" name="57" href="#57">57</a>          ExprLookup.Variables vars = <strong class="jxr_keyword">new</strong> ExprLookup.Variables();
<a class="jxr_linenumber" name="58" href="#58">58</a>          vars.add(<strong class="jxr_keyword">new</strong> ExprLookup.Variable(<span class="jxr_string">"String"</span>, org.apache.commons.lang.StringUtils.<strong class="jxr_keyword">class</strong>));
<a class="jxr_linenumber" name="59" href="#59">59</a>          vars.add(<strong class="jxr_keyword">new</strong> ExprLookup.Variable(<span class="jxr_string">"Util"</span>, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/configuration/interpol/TestExprLookup.html">Utility</a>(<span class="jxr_string">"Hello"</span>)));
<a class="jxr_linenumber" name="60" href="#60">60</a>          vars.add(<strong class="jxr_keyword">new</strong> ExprLookup.Variable(<span class="jxr_string">"System"</span>, <span class="jxr_string">"Class:java.lang.System"</span>));
<a class="jxr_linenumber" name="61" href="#61">61</a>          XMLConfiguration config = <strong class="jxr_keyword">new</strong> XMLConfiguration(TEST_FILE);
<a class="jxr_linenumber" name="62" href="#62">62</a>          config.setLogger(log);
<a class="jxr_linenumber" name="63" href="#63">63</a>          ExprLookup lookup = <strong class="jxr_keyword">new</strong> ExprLookup(vars);
<a class="jxr_linenumber" name="64" href="#64">64</a>          lookup.setConfiguration(config);
<a class="jxr_linenumber" name="65" href="#65">65</a>          String str = lookup.lookup(PATTERN1);
<a class="jxr_linenumber" name="66" href="#66">66</a>          assertTrue(str.startsWith(<span class="jxr_string">"Goodbye"</span>));
<a class="jxr_linenumber" name="67" href="#67">67</a>          str = lookup.lookup(PATTERN2);
<a class="jxr_linenumber" name="68" href="#68">68</a>          assertTrue(<span class="jxr_string">"Incorrect value: "</span> + str, str.equals(<span class="jxr_string">"value Some text"</span>));
<a class="jxr_linenumber" name="69" href="#69">69</a>          logger.removeAppender(app);
<a class="jxr_linenumber" name="70" href="#70">70</a>  
<a class="jxr_linenumber" name="71" href="#71">71</a>      }
<a class="jxr_linenumber" name="72" href="#72">72</a>  
<a class="jxr_linenumber" name="73" href="#73">73</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/commons/configuration/interpol/TestExprLookup.html">Utility</a>
<a class="jxr_linenumber" name="74" href="#74">74</a>      {
<a class="jxr_linenumber" name="75" href="#75">75</a>          String message;
<a class="jxr_linenumber" name="76" href="#76">76</a>  
<a class="jxr_linenumber" name="77" href="#77">77</a>          <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/commons/configuration/interpol/TestExprLookup.html">Utility</a>(String msg)
<a class="jxr_linenumber" name="78" href="#78">78</a>          {
<a class="jxr_linenumber" name="79" href="#79">79</a>              <strong class="jxr_keyword">this</strong>.message = msg;
<a class="jxr_linenumber" name="80" href="#80">80</a>          }
<a class="jxr_linenumber" name="81" href="#81">81</a>  
<a class="jxr_linenumber" name="82" href="#82">82</a>          <strong class="jxr_keyword">public</strong> String getMessage()
<a class="jxr_linenumber" name="83" href="#83">83</a>          {
<a class="jxr_linenumber" name="84" href="#84">84</a>              <strong class="jxr_keyword">return</strong> message;
<a class="jxr_linenumber" name="85" href="#85">85</a>          }
<a class="jxr_linenumber" name="86" href="#86">86</a>  
<a class="jxr_linenumber" name="87" href="#87">87</a>          <strong class="jxr_keyword">public</strong> String str(String str)
<a class="jxr_linenumber" name="88" href="#88">88</a>          {
<a class="jxr_linenumber" name="89" href="#89">89</a>              <strong class="jxr_keyword">return</strong> str;
<a class="jxr_linenumber" name="90" href="#90">90</a>          }
<a class="jxr_linenumber" name="91" href="#91">91</a>      }
<a class="jxr_linenumber" name="92" href="#92">92</a>  }
</pre>
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